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<a class="jxr_linenumber" name="L1" href="#L1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a>   <em class="jxr_comment"> * Copyright (C) 2008 feilong</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a>   <em class="jxr_comment"> *         <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a>  <strong class="jxr_keyword">package</strong> com.feilong.core.text;
<a class="jxr_linenumber" name="L17" href="#L17">17</a>  
<a class="jxr_linenumber" name="L18" href="#L18">18</a>  <strong class="jxr_keyword">import</strong> java.text.DateFormat;
<a class="jxr_linenumber" name="L19" href="#L19">19</a>  <strong class="jxr_keyword">import</strong> java.text.ParsePosition;
<a class="jxr_linenumber" name="L20" href="#L20">20</a>  <strong class="jxr_keyword">import</strong> java.text.SimpleDateFormat;
<a class="jxr_linenumber" name="L21" href="#L21">21</a>  <strong class="jxr_keyword">import</strong> java.util.Date;
<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong> java.util.Locale;
<a class="jxr_linenumber" name="L23" href="#L23">23</a>  
<a class="jxr_linenumber" name="L24" href="#L24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.lang3.ObjectUtils;
<a class="jxr_linenumber" name="L25" href="#L25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.lang3.Validate;
<a class="jxr_linenumber" name="L26" href="#L26">26</a>  
<a class="jxr_linenumber" name="L27" href="#L27">27</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <em class="jxr_javadoccomment"> * {@link DateFormat}是日期/时间格式化子类的抽象类.</em>
<a class="jxr_linenumber" name="L29" href="#L29">29</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;关于{@link SimpleDateFormat}非线程安全:&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <em class="jxr_javadoccomment"> * &lt;blockquote&gt;</em>
<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <em class="jxr_javadoccomment"> * see &lt;a href="<a href="http://newslxw.iteye.com/blog/1114851" target="alexandria_uri">http://newslxw.iteye.com/blog/1114851</a>"&gt;SimpleDateFormat在多线程下不安全&lt;/a&gt;</em>
<a class="jxr_linenumber" name="L34" href="#L34">34</a>  <em class="jxr_javadoccomment"> * &lt;br&gt;</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment"> * 也可以查看 {@link SimpleDateFormat} Synchronization部分注释内容</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a>  <em class="jxr_javadoccomment"> * &lt;/blockquote&gt;</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://feitianbenyue.iteye.com/" target="alexandria_uri">http://feitianbenyue.iteye.com/</a>"&gt;feilong&lt;/a&gt;</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment"> * @see java.text.Format</em>
<a class="jxr_linenumber" name="L40" href="#L40">40</a>  <em class="jxr_javadoccomment"> * @see java.text.DateFormat</em>
<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <em class="jxr_javadoccomment"> * @see java.text.SimpleDateFormat</em>
<a class="jxr_linenumber" name="L42" href="#L42">42</a>  <em class="jxr_javadoccomment"> * @see org.apache.commons.beanutils.converters.DateConverter</em>
<a class="jxr_linenumber" name="L43" href="#L43">43</a>  <em class="jxr_javadoccomment"> * @see org.apache.commons.beanutils.locale.converters.DateLocaleConverter</em>
<a class="jxr_linenumber" name="L44" href="#L44">44</a>  <em class="jxr_javadoccomment"> * @see &lt;a href="<a href="http://newslxw.iteye.com/blog/1114851" target="alexandria_uri">http://newslxw.iteye.com/blog/1114851</a>"&gt;SimpleDateFormat在多线程下不安全&lt;/a&gt;</em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a>  <em class="jxr_javadoccomment"> * @since 1.0.1</em>
<a class="jxr_linenumber" name="L46" href="#L46">46</a>  <em class="jxr_javadoccomment"> * @deprecated parse 的功能可以直接使用{@link org.apache.commons.lang3.time.DateUtils#parseDate(String, String...)}</em>
<a class="jxr_linenumber" name="L47" href="#L47">47</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L48" href="#L48">48</a>  @Deprecated
<a class="jxr_linenumber" name="L49" href="#L49">49</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../com/feilong/core/text/DateFormatUtilTemp.html">DateFormatUtilTemp</a>{
<a class="jxr_linenumber" name="L50" href="#L50">50</a>  
<a class="jxr_linenumber" name="L51" href="#L51">51</a>      <em class="jxr_javadoccomment">/** Don't let anyone instantiate this class. */</em>
<a class="jxr_linenumber" name="L52" href="#L52">52</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../com/feilong/core/text/DateFormatUtilTemp.html">DateFormatUtilTemp</a>(){
<a class="jxr_linenumber" name="L53" href="#L53">53</a>          <em class="jxr_comment">//AssertionError不是必须的. 但它可以避免不小心在类的内部调用构造器. 保证该类在任何情况下都不会被实例化.</em>
<a class="jxr_linenumber" name="L54" href="#L54">54</a>          <em class="jxr_comment">//see 《Effective Java》 2nd</em>
<a class="jxr_linenumber" name="L55" href="#L55">55</a>          <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> AssertionError(<span class="jxr_string">"No "</span> + getClass().getName() + <span class="jxr_string">" instances for you!"</span>);
<a class="jxr_linenumber" name="L56" href="#L56">56</a>      }
<a class="jxr_linenumber" name="L57" href="#L57">57</a>  
<a class="jxr_linenumber" name="L58" href="#L58">58</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L59" href="#L59">59</a>  <em class="jxr_javadoccomment">     * parse字符串类型转成日期类型.</em>
<a class="jxr_linenumber" name="L60" href="#L60">60</a>  <em class="jxr_javadoccomment">     * </em>
<a class="jxr_linenumber" name="L61" href="#L61">61</a>  <em class="jxr_javadoccomment">     * &lt;p style="color:red"&gt;</em>
<a class="jxr_linenumber" name="L62" href="#L62">62</a>  <em class="jxr_javadoccomment">     * 不建议直接调用此方法,建议使用 {@link com.feilong.core.date.DateUtil#toDate(String, String...)}替代</em>
<a class="jxr_linenumber" name="L63" href="#L63">63</a>  <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
<a class="jxr_linenumber" name="L64" href="#L64">64</a>  <em class="jxr_javadoccomment">     * </em>
<a class="jxr_linenumber" name="L65" href="#L65">65</a>  <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a class="jxr_linenumber" name="L66" href="#L66">66</a>  <em class="jxr_javadoccomment">     * 调用的是 {@link #parse(String, String, Locale)},locale使用 {@link Locale#getDefault()}</em>
<a class="jxr_linenumber" name="L67" href="#L67">67</a>  <em class="jxr_javadoccomment">     * &lt;/p&gt;</em>
<a class="jxr_linenumber" name="L68" href="#L68">68</a>  <em class="jxr_javadoccomment">     * </em>
<a class="jxr_linenumber" name="L69" href="#L69">69</a>  <em class="jxr_javadoccomment">     * @param dateString</em>
<a class="jxr_linenumber" name="L70" href="#L70">70</a>  <em class="jxr_javadoccomment">     *            the date string</em>
<a class="jxr_linenumber" name="L71" href="#L71">71</a>  <em class="jxr_javadoccomment">     * @param pattern</em>
<a class="jxr_linenumber" name="L72" href="#L72">72</a>  <em class="jxr_javadoccomment">     *            建议使用 {@link com.feilong.core.DatePattern} 内置的时间格式</em>
<a class="jxr_linenumber" name="L73" href="#L73">73</a>  <em class="jxr_javadoccomment">     * @return 如果 &lt;code&gt;dateString&lt;/code&gt; 是null,抛出 {@link NullPointerException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L74" href="#L74">74</a>  <em class="jxr_javadoccomment">     *         如果 &lt;code&gt;dateString&lt;/code&gt; 是blank,抛出 {@link IllegalArgumentException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L75" href="#L75">75</a>  <em class="jxr_javadoccomment">     *         如果 &lt;code&gt;pattern&lt;/code&gt; 是 null,抛出 {@link NullPointerException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L76" href="#L76">76</a>  <em class="jxr_javadoccomment">     *         如果 &lt;code&gt;pattern&lt;/code&gt; 是 blank,抛出 {@link IllegalArgumentException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L77" href="#L77">77</a>  <em class="jxr_javadoccomment">     *         否则使用 {@link Locale#getDefault()},调用 {@link #parse(String, String, Locale)}</em>
<a class="jxr_linenumber" name="L78" href="#L78">78</a>  <em class="jxr_javadoccomment">     * @see #parse(String, String, Locale)</em>
<a class="jxr_linenumber" name="L79" href="#L79">79</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L80" href="#L80">80</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Date parse(String dateString,String pattern){
<a class="jxr_linenumber" name="L81" href="#L81">81</a>          <strong class="jxr_keyword">return</strong> parse(dateString, pattern, Locale.getDefault());
<a class="jxr_linenumber" name="L82" href="#L82">82</a>      }
<a class="jxr_linenumber" name="L83" href="#L83">83</a>  
<a class="jxr_linenumber" name="L84" href="#L84">84</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L85" href="#L85">85</a>  <em class="jxr_javadoccomment">     * 时间字符串 &lt;code&gt;dateString&lt;/code&gt; 转成日期类型.</em>
<a class="jxr_linenumber" name="L86" href="#L86">86</a>  <em class="jxr_javadoccomment">     * </em>
<a class="jxr_linenumber" name="L87" href="#L87">87</a>  <em class="jxr_javadoccomment">     * @param dateString</em>
<a class="jxr_linenumber" name="L88" href="#L88">88</a>  <em class="jxr_javadoccomment">     *            the date string</em>
<a class="jxr_linenumber" name="L89" href="#L89">89</a>  <em class="jxr_javadoccomment">     * @param pattern</em>
<a class="jxr_linenumber" name="L90" href="#L90">90</a>  <em class="jxr_javadoccomment">     *            建议使用 {@link com.feilong.core.DatePattern} 内置的时间格式</em>
<a class="jxr_linenumber" name="L91" href="#L91">91</a>  <em class="jxr_javadoccomment">     * @param locale</em>
<a class="jxr_linenumber" name="L92" href="#L92">92</a>  <em class="jxr_javadoccomment">     *            语言,如果是 null,那么使用 系统默认的{@link Locale#getDefault()}</em>
<a class="jxr_linenumber" name="L93" href="#L93">93</a>  <em class="jxr_javadoccomment">     * @return 如果 &lt;code&gt;dateString&lt;/code&gt; 是null,抛出 {@link NullPointerException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L94" href="#L94">94</a>  <em class="jxr_javadoccomment">     *         如果 &lt;code&gt;dateString&lt;/code&gt; 是blank,抛出 {@link IllegalArgumentException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L95" href="#L95">95</a>  <em class="jxr_javadoccomment">     *         如果 &lt;code&gt;pattern&lt;/code&gt; 是 null,抛出 {@link NullPointerException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L96" href="#L96">96</a>  <em class="jxr_javadoccomment">     *         如果 &lt;code&gt;pattern&lt;/code&gt; 是 blank,抛出 {@link IllegalArgumentException}&lt;br&gt;</em>
<a class="jxr_linenumber" name="L97" href="#L97">97</a>  <em class="jxr_javadoccomment">     *         否则调用 {@link java.text.SimpleDateFormat#parse(String, ParsePosition)}</em>
<a class="jxr_linenumber" name="L98" href="#L98">98</a>  <em class="jxr_javadoccomment">     * @see SimpleDateFormat#parse(String)</em>
<a class="jxr_linenumber" name="L99" href="#L99">99</a>  <em class="jxr_javadoccomment">     * @see SimpleDateFormat#parse(String, ParsePosition)</em>
<a class="jxr_linenumber" name="L100" href="#L100">100</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L101" href="#L101">101</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Date parse(String dateString,String pattern,Locale locale){
<a class="jxr_linenumber" name="L102" href="#L102">102</a>         Validate.notBlank(dateString, <span class="jxr_string">"dateString can't be null/empty!"</span>);
<a class="jxr_linenumber" name="L103" href="#L103">103</a>         Validate.notBlank(pattern, <span class="jxr_string">"pattern can't be null/empty!"</span>);
<a class="jxr_linenumber" name="L104" href="#L104">104</a>         SimpleDateFormat simpleDateFormat = <strong class="jxr_keyword">new</strong> SimpleDateFormat(pattern, ObjectUtils.defaultIfNull(locale, Locale.getDefault()));
<a class="jxr_linenumber" name="L105" href="#L105">105</a>         <em class="jxr_comment">//虽然可以直接调用 java.text.DateFormat#parse(String) 但是他会抛出 ParseException 是checked Exception</em>
<a class="jxr_linenumber" name="L106" href="#L106">106</a>         <strong class="jxr_keyword">return</strong> simpleDateFormat.parse(dateString, <strong class="jxr_keyword">new</strong> ParsePosition(0));<em class="jxr_comment">//如果发生错误,则返回 null</em>
<a class="jxr_linenumber" name="L107" href="#L107">107</a>     }
<a class="jxr_linenumber" name="L108" href="#L108">108</a> }
</pre>
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